. OPERATION DETAILED CONTROLS AND GAUGES the temperature changes sleeplessly. Temperature Control Switch (Cool) temperature becomes, as the indicator light moves to the left. 3 - 48 FRESH/RECIRC Selector Switch (Fres When swit ch (2) is press ed, fresh air during heating. Th is position is us ed to bring i n clean fre sh air into th e cab or to remo ve the mist from the cab wi FRESH/RECIRC Selector Switch (Reci When swit ch (2) is presse d, the air in and no fres h air is taken in from outsid e.
This posi tion is used when heating the cab quickly or when the o utside air i Temperature Control Swit The closer to the left end the lighting- up is in the range, the lower the room te mperature is. C onversely t he closer to the right e nd the lighting-up is in the range, the higher the room te mperature is. The indicat or range is divi ded into 11 l evels, but within each range Use switch (3) to reduce t Press this switch to reduc e the temperature of th e air sent fro m the heater. The more t imes the switc h is pressed , the lower the blowin g wind